$\frac{\left(\left(a+x\right)^5-a^5\right)}{a+x}$
$\left(2y+v\right)^2$
$\frac{-\left(2+3x^2\right)}{6x^2}>1$
$x3y'+4x^2y=e^x$
$\sin\left(3x\right)\sec\left(3x\right)$
$-8+10+20-1$
$\left(9x+4\right)\left(x+4\right)$
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